n. [ L. storax, styrax, Gr. &unr_;. Cf. Styrax. ] Any one of a number of similar complex resins obtained from the bark of several trees and shrubs of the Styrax family. The most common of these is liquid storax, a brown or gray semifluid substance of an agreeable aromatic odor and balsamic taste, sometimes used in perfumery, and in medicine as an expectorant. [ 1913 Webster ]

☞ A yellow aromatic honeylike substance, resembling, and often confounded with, storax, is obtained from the American sweet gum tree (Liquidambar styraciflua), and is much used as a chewing gum, called sweet gum, and liquid storax. Cf. Liquidambar. [ 1913 Webster ]